2 years ago

A 2.26 kg book is dropped from a height 1.5m what is its acceleration

1 answer:

4 0

The answer is 9.8 ms^-2, because there is only one force acting on the object so the acceleration will be numerically equal to the gravitational field strength.

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using newtons law a force of 250N is applied to an object that accelerates at a rate of 5M/s2 what is the mass of the object?

AURORKA [14]

Answer:

50 kg

Explanation:

F = ma

250 N = m (5 m/s²)

m = 50 kg

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3 years ago

Jim is driving a 2268-kg pickup truck at 22 m/s and releases his foot from the accelerator pedal. The car eventually stops due t

shutvik [7]

Answer:

610 meters.

Explanation:

Because Jim released the accelerator, the truck started to slow down, so the friction force will eventually stop the truck.

the kinetic energy of the truck just after Jim released the pedal is:

$E_k=\frac{1}{2}*m*v^2\\E_k=\frac{1}{2}*2268*(22)^2=548856J$

The work done by the friction force is given by:

$W_f=F_s*d\\\\d=\frac{548856J}{900N}\\\\d=610m$

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3 years ago

Which equation describes the cosines function for right triangle?

Bogdan [553]

Answer:a

Explanation:

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3 years ago

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Alexus [3.1K]

There is no atom shown..

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3 years ago

A ball is let go and falls to the ground. It bounces a few times before

Ksenya-84 [330]

Answer:

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2 years ago